killer drones
27:12How They Caught The Golden State Killer
10.1M views • 5 years ago
Veritasium
Veritasium explains how investigators caught the Golden State Killer using forensic genealogy, matching crime scene DNA to distant relatives in public genealogy databases. It also covers the privacy implications of DNA databases.
11:46Zipline - How Rwanda Built A Drone Delivery Service
1.6M views • 7 years ago
Real Engineering
Real Engineering explains how Zipline built a drone delivery network for medical supplies in Rwanda. It covers the fixed-wing drones, catapult launch, parachute drop and the logistics behind the service.
18:40Drone Delivery Was Supposed to be the Future. What Went Wrong?
2.8M views • 4 years ago
Wendover Productions
Wendover Productions explains why drone delivery has not become the future once promised. It covers no-fly zones, costs and the difficulty of the final drop-off.
5:06Ion drive: The first flight
2.4M views • 7 years ago
nature video
Nature video showing MIT researchers flying the first plane with no moving parts, powered by an ion drive that creates an ionic wind from high-powered electrodes. The 5m-wide craft flies across a sports hall.